lib.itmens/catalog/search/views.py
2023-06-09 03:07:26 -04:00

142 lines
4.2 KiB
Python

import uuid
import logging
from django.core.exceptions import BadRequest
from django.shortcuts import render, redirect
from django.contrib.auth.decorators import login_required
from django.utils.translation import gettext_lazy as _
from django.http import HttpResponseRedirect
from catalog.common.models import SiteName
from catalog.common.sites import AbstractSite, SiteManager
from ..models import *
from django.conf import settings
from common.utils import PageLinksGenerator
from common.config import PAGE_LINK_NUMBER
import django_rq
from rq.job import Job
from .external import ExternalSources
from django.core.cache import cache
import hashlib
from .models import query_index, enqueue_fetch
_logger = logging.getLogger(__name__)
class HTTPResponseHXRedirect(HttpResponseRedirect):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self["HX-Redirect"] = self["Location"]
status_code = 200
@login_required
def fetch_refresh(request, job_id):
retry = request.GET
try:
job = Job.fetch(id=job_id, connection=django_rq.get_connection("fetch"))
item_url = job.return_value()
except:
item_url = "-"
if item_url:
if item_url == "-":
return render(request, "_fetch_failed.html")
else:
return HTTPResponseHXRedirect(item_url)
else:
retry = int(request.GET.get("retry", 0)) + 1
if retry > 10:
return render(request, "_fetch_failed.html")
else:
return render(
request,
"_fetch_refresh.html",
{"job_id": job_id, "retry": retry, "delay": retry * 2},
)
def fetch(request, url, is_refetch: bool = False, site: AbstractSite | None = None):
if not site:
site = SiteManager.get_site_by_url(url)
if not site:
raise BadRequest()
item = site.get_item()
if item and not is_refetch:
return redirect(item.url)
job_id = enqueue_fetch(url, is_refetch)
return render(
request,
"fetch_pending.html",
{
"site": site,
"sites": SiteName.labels,
"job_id": job_id,
},
)
def search(request):
category = request.GET.get("c", default="all").strip().lower()
if category == "all":
category = None
keywords = request.GET.get("q", default="").strip()
tag = request.GET.get("tag", default="").strip()
p = request.GET.get("page", default="1")
p = int(p) if p.isdigit() else 1
if not (keywords or tag):
return render(
request,
"search_results.html",
{
"items": None,
"sites": SiteName.labels,
},
)
if request.user.is_authenticated and keywords.find("://") > 0:
site = SiteManager.get_site_by_url(keywords)
if site:
return fetch(request, keywords, False, site)
items, num_pages, _, dup_items = query_index(keywords, category, tag, p)
return render(
request,
"search_results.html",
{
"items": items,
"dup_items": dup_items,
"pagination": PageLinksGenerator(PAGE_LINK_NUMBER, p, num_pages),
"sites": SiteName.labels,
"hide_category": category is not None and category != "movietv",
},
)
@login_required
def external_search(request):
category = request.GET.get("c", default="all").strip().lower()
if category == "all":
category = None
keywords = request.GET.get("q", default="").strip()
page_number = int(request.GET.get("page", default=1))
items = ExternalSources.search(category, keywords, page_number) if keywords else []
cache_key = f"search_{category}_{keywords}"
dedupe_urls = cache.get(cache_key, [])
items = [i for i in items if i.source_url not in dedupe_urls]
return render(
request,
"external_search_results.html",
{
"external_items": items,
},
)
@login_required
def refetch(request):
if request.method != "POST":
raise BadRequest()
url = request.POST.get("url")
if not url:
raise BadRequest()
return fetch(request, url, True)